[ewg] [PATCH 2/4] RDMA/nes: Print ip address for critical errors

[Faisal Latif]

Prints the IP address of the remote host when critical asynchronous event is
received.

Signed-off-by: Tatyana Nikolova <Tatyana.E.Nikolova at intel.com>
Signed-off-by: Faisal Latif <Faisal.Latif at intel.com>

diff --git a/kernel_patches/fixes/nes_0059_print_ip.patch b/kernel_patches/fixes/nes_0059_print_ip.patch
new file mode 100644
index 0000000..ac84d4d
--- /dev/null
+++ b/kernel_patches/fixes/nes_0059_print_ip.patch
@@ -0,0 +1,31 @@
+diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
+index 855a062..dd15e94 100644
+--- a/drivers/infiniband/hw/nes/nes_hw.c
++++ b/drivers/infiniband/hw/nes/nes_hw.c
+@@ -109,6 +109,15 @@ static unsigned char *nes_tcp_state_str[] = {
+ };
+ #endif
+
++static inline void print_ip(struct nes_cm_node *cm_node)
++{
++	unsigned char *rem_addr;
++	if (cm_node) {
++		rem_addr = (unsigned char *)&cm_node->rem_addr;
++		printk(KERN_ERR PFX "Remote ip addr = %u.%u.%u.%u\n",
++			rem_addr[3], rem_addr[2], rem_addr[1], rem_addr[0]);
++	}
++}
+
+ /**
+  * nes_nic_init_timer_defaults
+@@ -3701,6 +3710,7 @@ static void nes_process_iwarp_aeqe(struct nes_device *nesdev,
+		case NES_AEQE_AEID_ROE_INVALID_RDMA_WRITE_OR_READ_RESP:
+			printk(KERN_ERR PFX "QP[%u] async_event_id=0x%04X IB_EVENT_QP_FATAL\n",
+					nesqp->hwqp.qp_id, async_event_id);
++			print_ip(nesqp->cm_node);
+			if (!atomic_read(&nesqp->close_timer_started)) {
+				nes_terminate_connection(nesdev, nesqp, aeqe, IB_EVENT_QP_FATAL);
+			}
+--
+1.7.4.2
+
-- 
1.7.4.2